Robuta

https://biostor.org/reference/158778 TETRANEURIS LINEARIFOLIA VAR. ARENICOLA (ASTERACEAE: HEUANTHEAE): A NEW VARIETY FROM SOUTH TEXAS Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 2, pages 231-239 tetraneuris linearifolia new variety south texas arenicola asteraceae